WHY WHY WHY am I blowing through suspension bushings? - Defender Source
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  #1  
Old May 28th, 2007, 08:27 PM
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WHY WHY WHY am I blowing through suspension bushings?

Just replaced the the triangle bushing at the front of the rear links for the 3rd time in 16 months. Wheeled 2 days this weekend, Sunday really hard, today fairly easy, and noticed rear steer getting worse. Looked underneath and the drivers side is shot again!! What should I look for(other components etc.) that may be contributing to this pattern of failure?
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  #2  
Old May 28th, 2007, 09:24 PM
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I burn a lot of bushings too, at least two sets a year. I don't think there's a solution, other than those Italian control arms that have u-joints instead of bushings -- pricey but they might be a solution...
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Old May 28th, 2007, 09:55 PM
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Also, the genuine parts in this case are tons better than the "oem" that you get through places like atlantic british. You can especially tell, the "knock-offs" are painted, washer and rubber, and they wear out very quick for me. The genuine really last longer...except about 1.5years ago there was one really bad batch of rubber out and they just disintegrate...
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  #4  
Old May 28th, 2007, 10:14 PM
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I just checked, this set lasted under 7 weeks! Has anyone actually tried the real "Polybush" brand ones. I just got custom rear links to fix my pinion angle so I do not want to go to Heim jointed rears. Apparently my wheeling has gone to the "severe use" end of the spectrum.
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  #5  
Old May 29th, 2007, 07:31 AM
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I found the "real" poly bush (even the "soft" ones) to be much stiffer in my testing.....both on the bench and reality.

They will last (marginally)longer.

Hiem joints last longer IF they are greasable. Mine are worn and noisy even after constant maintenance. I've got rear steer, front steer, bump steer, torque steer all of which I can counteract (somewhat) with steering wheel steer. Ramps over 1600 and wheels like a slut though....it's all a compromise .
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  #6  
Old May 29th, 2007, 07:38 AM
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I have the Blue Poly Bushings on my D-90 for 8000 miles now with not one sign of wear Kevin..
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  #7  
Old May 30th, 2007, 08:02 AM
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Try this!

http://www.x-eng.co.uk/X-Flex.asp?MID=50

http://www.x-eng.co.uk/X-Joint.asp

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  #8  
Old May 30th, 2007, 12:48 PM
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Those are quite swank but I am not replacing my new links.

Eric Riston hooked me up with a set of the genuine bushings that I am going to give a shot.

Follow-up Post:

Here is the 7 week old bush.
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  #9  
Old May 30th, 2007, 01:35 PM
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I have tried the OG orange and the blue polybushings and I'm now back to genuine on the rear links. IMO polybushings have no place in the rearlinks, and this comes from someone who really really wanted polybushings to be the solution.
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  #10  
Old May 30th, 2007, 04:25 PM
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Was the issue lack of flex or failure of the bushing?
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  #11  
Old May 31st, 2007, 12:11 PM
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Quote:
Originally Posted by KevinNY
Those are quite swank but I am not replacing my new links.

Eric Riston hooked me up with a set of the genuine bushings that I am going to give a shot.

Follow-up Post:

Here is the 7 week old bush.
That's a cheap "OEM" version... They fall apart if you look at them funny... You're better of getting a used factory set form a wrecked Disko or RRC!! Look for the Bushings that look like aligator skin and you can barely read a part number on them, looks like the mold is as old as the product line (probably is)

I'll have to say that the only reliable source I have found for these "OLD" bushing's was RN.

Also in years past to make the truck flex better we would "seperate" the big washers on each end of the bushing from the Rubber and the sleeve... Cool trick and it works okay but you cannot seperate the rubber from this new version, probably why they tear the way they do... Get them from the UK through RN or RDS probably has the good ones to... What amounts to garbage is coming from LRNA..
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  #12  
Old May 31st, 2007, 12:30 PM
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The one in the pic is from RDS. The ones Eric gave me are in a LR box from the UK.
They always fail the same for me, the damage pictured is the rubber crumbling away on the bottom of the rear part of the bushing, basically the rubber sucks.
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  #13  
Old May 31st, 2007, 12:46 PM
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That's pretty typical of what I've been seeing... Apparently LR no longer cares about the vehicles that built their Off Road Heritage and get off selling junk like this!

I'll look and see if I have some old ones laying around the shop (cleaned up might be a problem!) I'll send you some to "test"
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  #14  
Old May 31st, 2007, 01:25 PM
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Quote:
Originally Posted by D90user
I have tried the OG orange and the blue polybushings and I'm now back to genuine on the rear links. IMO polybushings have no place in the rearlinks, and this comes from someone who really really wanted polybushings to be the solution.
I have tried them both as well on the rearlinks. They blow. They were fine on the road but if you wheel them with a long travel suspension (12 inch travel in the rear) they crack and fall off. I was in Moab and went through the blues my first day of wheeling. I installed them so I figured it was my fault. Took it to a shop, had another set put in. Next day 20 minutes into the trail same thing again, bushing crumpled and fell off. Swiched to oranges and had a different shop put them in. Made it 1.5 days on those before the rear links cooked em. After urinating on the polypush sticker I put the OE ones in and I finished 2 weeks in Moab, the drive back to NY, an numerous trails around here and they still look new. done venting.

by the way... I have rovertym links corrected for a 2 inch lift.
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  #15  
Old May 31st, 2007, 01:42 PM
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It's the long travel that kills the bushes. the squashed rubber has no place to go. rubber is deformable but incompressable
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  #16  
Old June 1st, 2007, 02:41 PM
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OEM rubber bushings are the only way to go. Tried poly for a few years with bad results.
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  #17  
Old June 11th, 2007, 05:06 PM
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what's the word? Mine are on the out. I've been having this weird rear sway thing going on lately like the rear end is going for it's own ride.
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  #18  
Old July 22nd, 2007, 11:51 AM
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Having just blown through mine in 10 months, I was informed that there's two versions of OEM bushings out there. The crappy version (what's on my truck currently) just has the inner and outer metal sleeving separated by rubber. I was shown a different (newer?) version that has a metal sleeve in between the inner and outer sleeves (three sleeves in all). I couldn't believe how destroyed mine are. There's no rubber left. Supposedly this other type lasts longer. We'll see!
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  #19  
Old September 11th, 2007, 10:01 AM
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Who supplies the "good" OEM bushing kits?
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Old September 11th, 2007, 10:36 AM
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Good question. My impression was that LR was replacing the double ring bushings with the triple ring bushings in the supply chain, but don't know for sure. The guys at PPR had a box full of double and triples on the shelf. Luke said they were going to ship back the doubles. Both had LR part numbers and packaging.
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